Google says it wants to re-renter China, less than a year after famously told the world it would leave the country over an attack on the company's infrastructure by Chinese hackers.
Patrick Pichette, the company's chief financial officer, tells The Times that the decision to depart China is a mere "road block" on its mission to …

Since under Googles T&C's Google retain the right to resell all information flowing through their networks and GMail, then Google are perfectly legally entitled to resell access to that information to highest bidders (or even all of those who are prepared to pay enough).

Therefore one could surmise that Google may have very lucrative contracts in place with multiple governments around the world to furnish them with the information the governments are seeking.

Because of Commercial Confidentiality Google would not be obliged to reveal this. Only in countries where there were Freedom of Information Acts that were not encumbered with "National Interest" get out clauses could the actualite of this state of affairs be determinable.